<template>
  <div class="swiper">
    <swiper :options="swiperOption" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item in swiperList" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl">
      </swiper-slide>

      <!-- Optional controls -->
     <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
export default{
  name: 'indexSwiper',
  props: {
    swiperList: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.swiperList.length
    }
  }
}
</script>

<style lang="stylus" scoped>
  /* 修改其他组件的样式，通过 >>> 强制修改 */
  .swiper >>> .swiper-pagination-bullet-active
    background: #EAEAEA
  .swiper
    overflow: hidden
    height: 0
    padding-bottom: 31.25%
  .swiper-img
    width: 100%
</style>
